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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: phb3YXEgdQBeDll4rEgQqD+IsaalZw5w6F/gG50qlJYDBrS6KFY3Pit6BFAnLGhZIvPwnZJF42KVnnQ3eMp1s2f6kq/uVOzkv1lpFl0+hNfOOgMzJh6rUJG1SRlTL0sPjJlDsWwWZ8NCyP5dW08ZqdNIs837ara0IsALxn/XmqjxCKCVLb6oYpyVLwW5LZiGcauljOzYlQKLPhdP36C+1XIdqT0nmjYNr/Iq+hV7TyVwjfQiu0Op4i1axvnGVioGA05JhPD9qV6iaq1dMCL/R6SJN4g/kMCzyStmbkP+TAeJYDY+i/BLhJYKDutj9lreUN1e+OuL78ndMo3ei0w/mHPnUFaIwO5e6gfJrV9FgRQ= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: c033b77a-9f83-4e44-799e-08d63f91dddf X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Nov 2018 00:35:05.5347 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR21MB0192 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org IRQ_MATRIX_SIZE is the number of longs needed for a bitmap, multiplied by the size of a long, yielding a byte count. But it is used as the size of an array of longs, which is way more memory than is needed. Change IRQ_MATRIX_SIZE so it is just the number of longs needed and the arrays come out the correct size. Signed-off-by: Michael Kelley --- kernel/irq/matrix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c index 6e6d467..1f0985a 100644 --- a/kernel/irq/matrix.c +++ b/kernel/irq/matrix.c @@ -8,7 +8,7 @@ #include #include =20 -#define IRQ_MATRIX_SIZE (BITS_TO_LONGS(IRQ_MATRIX_BITS) * sizeof(unsigned = long)) +#define IRQ_MATRIX_SIZE (BITS_TO_LONGS(IRQ_MATRIX_BITS)) =20 struct cpumap { unsigned int available; --=20 1.8.3.1